diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 9a915be547b3..b985d8f8cc6e 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1033,7 +1033,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + __le32 *txd = (__le32 *)(skb->data - TXD_DESC_SIZE); u32 word; /* @@ -1075,6 +1075,12 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); } + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* @@ -1088,19 +1094,11 @@ static void rt2500usb_write_beacon(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); int length; u16 reg, reg0; /* - * Add the descriptor in front of the skb. - */ - skb_push(entry->skb, entry->queue->desc_size); - memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry->skb->data; - - /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ @@ -1109,6 +1107,11 @@ static void rt2500usb_write_beacon(struct queue_entry *entry, rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); /* + * Take the descriptor in front of the skb into account. + */ + skb_push(entry->skb, TXD_DESC_SIZE); + + /* * USB devices cannot blindly pass the skb->len as the * length of the data to usb_fill_bulk_urb. Pass the skb * to the driver to determine what the length should be. |